Scientific Reports,
Journal Year:
2023,
Volume and Issue:
13(1)
Published: Nov. 29, 2023
In
this
study,
the
solubilities
of
codeine
phosphate,
a
widely
used
pain
reliever,
in
supercritical
carbon
dioxide
(SC-CO2)
were
measured
under
various
pressures
and
temperature
conditions.
The
lowest
determined
mole
fraction
phosphate
SC-CO2
was
1.297
×
10-5
at
308
K
12
MPa,
while
highest
6.502
338
27
MPa.
These
then
modeled
using
equation
state
model,
specifically
Peng-Robinson
model.
A
selection
density
models,
including
Chrastil
Mendez-Santiago
Teja
Bartle
et
al.
Sodeifian
Reddy-Garlapati
also
employed.
Additionally,
three
forms
solid-liquid
equilibrium
commonly
called
expanded
liquid
models
(ELMs),
used.
average
solvation
enthalpy
associated
with
solubility
calculated
to
be
-
16.97
kJ/mol.
ELMs
provided
satisfactory
correlation
data,
corresponding
absolute
relative
deviation
percent
(AARD%)
12.63%.
most
accurate
ELM
model
recorded
AARD%
AICc
values
8.89%
589.79,
respectively.
Case Studies in Thermal Engineering,
Journal Year:
2024,
Volume and Issue:
55, P. 104146 - 104146
Published: Feb. 17, 2024
In
this
study,
the
solubility
of
oxycodone
hydrochloride
(OXH)
in
supercritical
carbon
dioxide
(SC–CO2)
was
investigated
at
various
conditions,
temperature
(308–338
K)
and
pressure
(120–270
bar),
for
first
time.
The
ranged
from
0.007
to
0.109
g/L,
corresponding
mole
fractions
ranging
0.051
×
10−5
0.699
10−5.
Three
different
model
groups
were
used
analyze
experimental
data.
group
comprised
seven
semi-empirical
models,
with
3–6
adjustable
parameters.
These
models
include
Sparks,
Sodeifian
1
2,
Bian,
Jouyban,
Gordillo
Jafari-Nejad.
second
employed
two
state
equations,
namely
Peng-Robinson
(PR)
Soave-Redlich-Kwong
(SRK)
van
der
Waals
mixing
rule.
average
absolute
relative
deviation
percentage
(AARD%)
9.73
10.63
PR
SRK,
respectively.
third
utilized
four
machine
learning
algorithms
including
DNN,
RF,
MLP
DTs
respective
R2
values
0.992,
0.980,
0.964
0.961,
All
exhibited
satisfactory
agreement
Finally,
enthalpies
vaporization
(79.71
kJ/mol)
solvation
(−19.25
calculated
Arabian Journal of Chemistry,
Journal Year:
2024,
Volume and Issue:
17(4), P. 105707 - 105707
Published: March 6, 2024
This
study
addressed
the
solubility
of
Rivaroxaban
in
supercritical
carbon
dioxide
at
a
temperature
range
308–338
K
and
pressure
12–30
MPa
with
without
Co-solvent
binary
ternary
systems.
The
impact
ethanol
was
also
examined.
Furthermore,
examined
systems
were
modeled
using
semi-empirical
approaches
once
tentative
data
determined.
ranged
based
on
mole
fraction
from
1.0×10-6
to
2.57×10-5
1.9×10-5
2.02×10-4,
respectively.
Based
results,
use
can
greatly
boost
Rivaroxaban.
highest
effect
Rivaroxaban-Ethanol-CO2
mixture
observed
18.73
(338
12
MPa).
empirical
models
effectively
fit
values
analyzed
materials
by
AARD%
Radj
for
approaches.
Jouyban
et
al.
(AARD%=7.40
=
0.993)
model
system
Garlapati-Madras
(AARD%=6.16
0.991)
Sodeifian-Sajadian
(AARD%=6.13
0.979)
Soltani-Mazloumi
(AARD%=6.89
0.987)
are
most
accurate
models.
Journal of Chemical & Engineering Data,
Journal Year:
2024,
Volume and Issue:
69(4), P. 1718 - 1730
Published: March 28, 2024
This
research
investigated
the
solubility
of
alprazolam
in
supercritical
carbon
dioxide
(scCO2)
with
addition
ethanol
as
a
cosolvent.
The
was
examined
at
various
pressures
(ranging
from
120
to
300
bar)
and
temperatures
308
338
K).
scCO2
ranged
0.027
×
10–4
0.632
10–4.
When
used
cosolvent,
increased
range
0.157
1.660
(with
1
mol
%
ethanol)
0.449
3.167
3
ethanol).
Under
specified
operating
parameters,
highest
achieved
ternary
system
bar
K.
16.63
times
higher
than
when
using
pure
under
same
circumstances.
Several
semiempirical
correlations
were
compute
dioxide.
These
models
yielded
similar
average
absolute
relative
deviations
ranging
7.0
8.40%.
findings
demonstrated
superiority
Kumar–Johnston
model
binary
systems
an
deviation
7.0%)
Garlapati–Madras
6.19%)
compared
alternative
models.
Industrial & Engineering Chemistry Research,
Journal Year:
2024,
Volume and Issue:
63(3), P. 1589 - 1603
Published: Jan. 15, 2024
Supercritical
carbon
dioxide
(scCO2)
plays
an
essential
role
in
various
technological
procedures,
making
the
solubility
of
drugs
scCO2
a
crucial
aspect
drug
formulation
process.
This
study
focuses
on
utilizing
theoretical
approaches
to
predict
drug-like
compounds
order
select
optimum
parameters
for
subsequent
experimental
procedures.
Several
machine
learning
models
were
developed
and
compared
with
previously
established
approach
based
classical
density
functional
theory
(cDFT).
The
CatBoost
model,
alvaDesc
descriptors,
demonstrated
reasonably
accurate
predictions
187
(AARD
=
1.8%).
Meanwhile,
incorporating
CDK
descriptors
melting
points
as
input
parameters,
exhibited
satisfactory
accuracy
14.3%)
extrapolating
new
compounds.
Comparing
results
between
cDFT-based
one
revealed,
average,
higher
faster
prediction
speed
former.
However,
cDFT
more
physical
behavior
isotherms
models.
was
particularly
evident
when
ML
struggled
accurately
extrapolate
values
beyond
range
supercritical
state.
Model
CatBoost/CDK
is
freely
accessible
at
http://chem-predictor.isc-ras.ru/individual/scco/.
Case Studies in Thermal Engineering,
Journal Year:
2024,
Volume and Issue:
61, P. 105074 - 105074
Published: Sept. 1, 2024
The
complete
investigation
of
the
solubility
Ceftriaxone
sodium
drug
has
not
yet
been
conducted.
This
communication
investigates
in
supercritical
CO2
(SC-CO2)
for
first
time.
measurements
were
performed
using
utilizing
UV-vis
analysis
under
different
operation
conditions
(at
P
(bar)
=
120-270
and
T
(K)
308-338).
results
demonstrated
that
ranged
from
0.90
×
10-6
to
8.01
10-6.
mole
fraction
increases
proportionally
with
an
increase
pressure,
while
maintaining
a
constant
temperature.
However,
crossover
was
noted.
behavior
SC-CO2
modeled
by
Peng-Robinson
equation
state
(PR
EoS)
Kwak-Mansoori
van
der
Waals
mixing
rules
seven
semi-empirical
correlations
(Bian
et
al.,
Kumar-Johnston,
Chrastil,
Garlapati-Madras,
Bartle
Sung-Shim
Sodeifian
al.,).
vaporization,
total
solvation
enthalpies
sodium/SC-carbon
dioxide
system
obtained
KJ,
al.
correlations.
evaluation
two
methods
absolute
average
relative
deviation
(AARD%).
Both
models
exhibited
satisfactory
level
agreement
experimental
data.
Finally,
PR/KM
EoS
Chrastil
models,
AARD%
values
8.70%
8.10%
respectively,
showed
superior
precision
accurately
fitting
Journal of Chemical & Engineering Data,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 15, 2025
This
study
investigates
the
solubility
of
Baclofen
in
supercritical
CO2,
which
is
essential
for
developing
an
efficient
drug
delivery
system
using
processes.
Solubility
measurements
were
carried
out
both
with
and
without
presence
various
cosolvents
(ethanol
dimethyl
sulfoxide
(DMSO)),
across
a
temperature
range
308–338
K
pressure
12–30
MPa.
exhibited
ranging
from
1.62
×
10–5
to
2.30
mole
fractions
pure
CO2.
In
cosolvents,
increased
5.76
12.79
ethanol
3.50
7.02
DMSO.
Indeed,
addition
DMSO
by
approximately
3.55–5.56
times
2.15–3.05
times,
respectively.
Several
density-based
empirical
models
thermodynamic
(Soave–Redlich–Kwong
(SRK)
Peng–Robinson
(PR)
equations
state)
used
correlate
data.
Jafari
Nejad's
model
CO2–Baclofen
Jouyban's
CO2–ethanol/DMSO–Baclofen
systems
displayed
higher
consistency.
Also,
PR
showed
better
accuracy
correlating
while
SRK
outperformed
CO2–ethanol/DMSO
cosolvents.
Moreover,
machine
learning
exceptional
accuracy,
over
99%
predictions
closely
matching
experimental
data,
emphasizing
its
outstanding
performance.